Hey everyone, I have going to visit my friends up in Michigan, which snows in the winter and gets around 20-30 degrees F, and I need to know if there is any cautions I have take when exposing my DSLR and lens to cold weather and moving back inside, also I heard cold drains battery life, so I should keep a spare correct? Keep me posted

Aurora can be like astronomical nebulosity though in terms of colour - what you see and what you record can be quite different experiences. From recollection though, this aurora was greenish to the eye!

A new places (scotland and Norway) on the list to must go and experince.

{off-topic}
Gordon, do you happen to know the best time of the year for the spectacular show of the northern lights ?

[on topic]
So how did the cameras works in below zero ? I mean, did you used any 'warmer' before you took the camera out and take shots ?
I had some problem with my P&S Nikon 885 couple years back before the DSLR, the camera (P&S) motor jammed after about 5 minutes out in the cold, and that was around 1-5 degrees.
Have not the chance to experince with the DSLR , hopefully it works just fine. Just want find out.